Case Study: You are the superintendent of police. An honest social activist who has been exposing illegal sand mining along a major river is brutally attacked and critically injured by the mining mafia. The activist's family names three prominent local mafia leaders, who are close relatives of a state cabinet minister. The minister calls you directly, asking you to register an FIR against "unknown miscreants" and not harass his relatives. (a) What are the ethical dilemmas of the police chief? (b) How will you ensure an impartial, fearless investigation?